// // This file is machine generated from fpga_regs_standard.h // Do not edit by hand; your edits will be overwritten. // // Register numbers 0 to 31 are reserved for use in fpga_regs_common.h. // Registers 64 to 79 are available for custom FPGA builds. // DDC / DUC `define FR_INTERP_RATE 7'd32 // [1,1024] `define FR_DECIM_RATE 7'd33 // [1,256] // DDC center freq `define FR_RX_FREQ_0 7'd34 `define FR_RX_FREQ_1 7'd35 `define FR_RX_FREQ_2 7'd36 `define FR_RX_FREQ_3 7'd37 // See below for DDC Starting Phase // ------------------------------------------------------------------------ // configure FPGA Rx mux // // 3 2 1 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 // +-----------------------+-------+-------+-------+-------+-+-----+ // | must be zero | Q3| I3| Q2| I2| Q1| I1| Q0| I0|Z| NCH | // +-----------------------+-------+-------+-------+-------+-+-----+ // // There are a maximum of 4 digital downconverters in the the FPGA. // Each DDC has two 16-bit inputs, I and Q, and two 16-bit outputs, I & Q. // // DDC I inputs are specified by the two bit fields I3, I2, I1 & I0 // // 0 = DDC input is from ADC 0 // 1 = DDC input is from ADC 1 // 2 = DDC input is from ADC 2 // 3 = DDC input is from ADC 3 // // If Z == 1, all DDC Q inputs are set to zero // If Z == 0, DDC Q inputs are specified by the two bit fields Q3, Q2, Q1 & Q0 // // NCH specifies the number of complex channels that are sent across // the USB. The legal values are 1, 2 or 4, corresponding to 2, 4 or // 8 16-bit values. `define FR_RX_MUX 7'd38 // ------------------------------------------------------------------------ // configure FPGA Tx Mux. // // 3 2 1 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 // +-----------------------+-------+-------+-------+-------+-+-----+ // | | DAC3 | DAC2 | DAC1 | DAC0 |0| NCH | // +-----------------------------------------------+-------+-+-----+ // // NCH specifies the number of complex channels that are sent across // the USB. The legal values are 1 or 2, corresponding to 2 or 4 // 16-bit values. // // There are two interpolators with complex inputs and outputs. // There are four DACs. (We use the DUC in each AD9862.) // // Each 4-bit DACx field specifies the source for the DAC and // whether or not that DAC is enabled. Each subfield is coded // like this: // // 3 2 1 0 // +-+-----+ // |E| N | // +-+-----+ // // Where E is set if the DAC is enabled, and N specifies which // interpolator output is connected to this DAC. // // N which interp output // --- ------------------- // 0 chan 0 I // 1 chan 0 Q // 2 chan 1 I // 3 chan 1 Q `define FR_TX_MUX 7'd39 // ------------------------------------------------------------------------ // REFCLK control // // Control whether a reference clock is sent to the daughterboards, // and what frequency. The refclk is sent on d'board i/o pin 0. // // 3 2 1 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 // +-----------------------------------------------+-+------------+ // | Reserved (Must be zero) |E| DIVISOR | // +-----------------------------------------------+-+------------+ // // Bit 7 -- 1 turns on refclk, 0 allows IO use // Bits 6:0 Divider value `define FR_TX_A_REFCLK 7'd40 `define FR_RX_A_REFCLK 7'd41 `define FR_TX_B_REFCLK 7'd42 `define FR_RX_B_REFCLK 7'd43 // ------------------------------------------------------------------------ // DDC Starting Phase `define FR_RX_PHASE_0 7'd44 `define FR_RX_PHASE_1 7'd45 `define FR_RX_PHASE_2 7'd46 `define FR_RX_PHASE_3 7'd47 // ------------------------------------------------------------------------ // Tx data format control register // // 3 2 1 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 // +-------------------------------------------------------+-------+ // | Reserved (Must be zero) | FMT | // +-------------------------------------------------------+-------+ // // FMT values: `define FR_TX_FORMAT 7'd48 // ------------------------------------------------------------------------ // Rx data format control register // // 3 2 1 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 // +-----------------------------------------+-+-+---------+-------+ // | Reserved (Must be zero) |B|Q| WIDTH | SHIFT | // +-----------------------------------------+-+-+---------+-------+ // // FMT values: `define FR_RX_FORMAT 7'd49 // The valid combinations currently are: // // B Q WIDTH SHIFT // 0 1 16 0 // 0 1 8 8 // Possible future values of WIDTH = {4, 2, 1} // 12 takes a bit more work, since we need to know packet alignment. // ------------------------------------------------------------------------ // FIXME register numbers 50 to 63 are available // ------------------------------------------------------------------------ // Registers 64 to 79 are reserved for user custom FPGA builds. // The standard USRP software will not touch these. `define FR_USER_0 7'd64 `define FR_USER_1 7'd65 `define FR_USER_2 7'd66 `define FR_USER_3 7'd67 `define FR_USER_4 7'd68 `define FR_USER_5 7'd69 `define FR_USER_6 7'd70 `define FR_USER_7 7'd71 `define FR_USER_8 7'd72 `define FR_USER_9 7'd73 `define FR_USER_10 7'd74 `define FR_USER_11 7'd75 `define FR_USER_12 7'd76 `define FR_USER_13 7'd77 `define FR_USER_14 7'd78 `define FR_USER_15 7'd79 //Registers needed for multi usrp master/slave configuration // //Rx Master/slave control register (FR_RX_MASTER_SLAVE = FR_USER_0) // `define FR_RX_MASTER_SLAVE 7'd64 `define bitnoFR_RX_SYNC 0 `define bitnoFR_RX_SYNC_MASTER 1 `define bitnoFR_RX_SYNC_SLAVE 2 //Caution The master settings will output values on the io lines. //They inheritely enable these lines as output. If you have a daughtercard which uses these lines also as output then you will burn your usrp and daughtercard. //If you set the slave bits then your usrp won't do anything if you don't connect a master. // Rx Master/slave control register // // The way this is supposed to be used is connecting a (short) 16pin flatcable from an rx daughterboard in RXA master io_rx[8..15] to slave io_rx[8..15] on RXA of slave usrp // This can be done with basic_rx boards or dbsrx boards //dbsrx: connect master-J25 to slave-J25 //basic rx: connect J25 to slave-J25 //CAUTION: pay attention to the lineup of your connector. //The red line (pin1) should be at the same side of the daughterboards on master and slave. //If you turnaround the cable on one end you will burn your usrp. //You cannot use a 16pin flatcable if you are using FLEX400 or FLEX2400 daughterboards, since these use a lot of the io pins. //You can still link them but you must use only a 2pin or 1pin cable //You can also use a 2-wire link. put a 2pin header on io[15],gnd of the master RXA daughterboard and connect it to io15,gnd of the slave RXA db. //You can use a cable like the ones found with the leds on the mainbord of a PC. //Make sure you don't twist the cable, otherwise you connect the sync output to ground. //To be save you could also just use a single wire from master io[15] to slave io[15], but this is not optimal for signal integrity. // Since rx_io[0] can normally be used as a refclk and is not exported on all daughterboards this line // still has the refclk function if you use the master/slave setup (it is not touched by the master/slave settings). // The master/slave circuitry will only use io pin 15 and does not touch any of the other io pins. `define bitnoFR_RX_SYNC_INPUT_IOPIN 15 `define bmFR_RX_SYNC_INPUT_IOPIN (1<